diff --git a/libs/core/pyproject.toml b/libs/core/pyproject.toml
index 205f8fbeecc..22053fb4ecf 100644
--- a/libs/core/pyproject.toml
+++ b/libs/core/pyproject.toml
@@ -17,7 +17,7 @@ dependencies = [
     "pydantic<3.0.0,>=2.7.4; python_full_version >= \"3.12.4\"",
 ]
 name = "langchain-core"
-version = "0.3.42"
+version = "0.3.43"
 description = "Building applications with LLMs through composability"
 readme = "README.md"
 
diff --git a/libs/core/uv.lock b/libs/core/uv.lock
index df2e61803de..f497a14a5e5 100644
--- a/libs/core/uv.lock
+++ b/libs/core/uv.lock
@@ -935,7 +935,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "0.3.42"
+version = "0.3.43"
 source = { editable = "." }
 dependencies = [
     { name = "jsonpatch" },
@@ -1026,7 +1026,7 @@ typing = [
 
 [[package]]
 name = "langchain-tests"
-version = "0.3.13"
+version = "0.3.14"
 source = { directory = "../standard-tests" }
 dependencies = [
     { name = "httpx" },